<?php
//平滑函数，sae和本地都可以用，增加系统平滑性
function sae_unlink($filePath) {
	if (IS_SAE) {
		$arr = explode ( '/', ltrim ( $filePath, './' ) );
		$domain = array_shift ( $arr );
		$filePath = implode ( '/', $arr );
		$s = Think::instance ( 'SaeStorage' );
		return $s->delete ( $domain, $filePath );
	} else {
		return unlink ( $filePath );
	}
}